JVC LT-Z40SX6, Service Manual

Page: 20 / 94

1-20 (No.YA422)
4.6.4 DRIVE SYSTEM SETTING (Fixed values)
4.6.5 NOT USED (Fixed values)
4.6.6 NOT USED (Fixed values)
4.7 ADJUSTMENT PROCEDURE
4.7.1 VIDEO CIRCUIT
M204 1ECB 00 - FF 00
M205 1ECC 00 - FF 02
M206 1ECD 00 - FF 00
M207 1ECE 00 - FF 01
M208 1ECF 00 - FF 00
M209 1ED0 00 - FF 10
M210 1ED1 00 - FF 00
M211 1ED2 00 - FF 00
M212 1ED3 00 - FF 00
M213 1ED4 00 - FF 00
M214 1ED5 00 - FF 00
M215 1ED6 00 - FF 00
M216 1ED7 00 - FF 00
M217 1ED8 00 - FF 00
M218 1ED9 00 - FF 00
M219 1EDA 00 - FF 00
M220 1EDB 00 - FF 00
Item No. Item Variable range Setting value
M221 1EDC 00 - FF 00
M222 1EDD 00 - FF 00
M223 1EDE 00 - FF 00
M224 1EDF 00 - FF 00
Item No. Item Variable range Setting value
F001 DD 0 - 1 0
F002 RAM REF 0 - 1 0
Item No. Item Variable range Setting value
D001 RESREV 0 - 255 2
Item No. Item Variable range Setting value
Z001 RESREV 0 - 255 2
Item No. Item Variable range Setting value
Item
Measuring
instrument
Test point Adjustment part Description
WHITE
BALANCE
(HIGHLIGHT) Remote
control unit
Signal
generator
[1.ADJUST]
S001: R DRIVE (Red drive)
S002: G DRIVE (Green drive)
S003: B DRIVE (Blue drive) (1) Receive a PAL 75% all white signal.
(2) Set PICTURE MODE to "
STANDARD ".
(3) Set ZOOM to " FULL ".
(4) Set WHITE BALANCE to " MID ".
(5) Select " 1.ADJUST " from the SERVICE MODE.
(6) Adjust to Keep one of < S001 > (Red drive),
< S002 > (Green drive) or < S003 > (Blue drive)
unchanged, then lower the other two so that the
all-white screen is equally white throughout.
NOTE:
Set one or more of < S001 > , < S002 > , and
< S003 > to " 137 ".
(7) Check that white balance is properly tracked
from low light to high light. If the white balance
tracking is deviated, adjust to correct it.
(8) Press the [MUTING] key to memoirze the set
value.